Ssalguksu Maeul 420 Gayang is a pho restaurant near Gayang Station in Gangseo-gu, Seoul. It serves pho and pad thai, and every menu item can be ordered as an extra-large portion. The pad thai comes with one large shrimp, and the cocktail shrimp it previously used are no longer included. The pho has a standard taste, but the portion size is small.